Cupid loves dunking biscuits in his tea - but some fall apart before he can eat them! Which biscuit absorbs the most liquid? Pupils compare hobnobs, digestives, rich tea and ginger nuts to explore absorption and porosity.
What’s included:
Editable Canva template with variables worksheet, recording sheet, risk assessment and group role cards
Comprehensive teacher guide with curriculum links, expected results, science explanation and differentiation ideas
Curriculum links:
KS2 Properties of Materials - comparing absorbency and hardness
KS2 Working Scientifically - fair testing, measuring, recording data
KS3 Working Scientifically - variables, accuracy, explaining results
Cross-curricular link to Year 3 Rocks - porosity
Why teachers love it:
Clear results - hobnobs absorb most, ginger nuts least
Simple equipment (biscuits, water/milk, scales, timer)
Strong link to rocks and porosity
Valentine’s theme engages pupils
Suitable for Year 3 to Year 11.
Curriculum focus
Key Stage 2
Properties of materials: observing and comparing absorption
Key Stage 3
Particle model: absorption, capillary action, surface area effects
Key Stage 4 (GCSE Biology / Chemistry / Combined Science)
Surface area to volume ratio
Rates of processes in biological and material contexts
US curriculum links
Upper Elementary Science: absorbent materials
Middle School Physical Science: particle behaviour
High School Biology / Chemistry: surface area effects
You will get the following files
PDF link to Editable Canva templates, pupil recording sheets, variables support, results templates
PDF comprehensive teacher guide.
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£2.50